JPH01253807A - Manufacture of magnetic head - Google Patents
Manufacture of magnetic headInfo
- Publication number
- JPH01253807A JPH01253807A JP8076688A JP8076688A JPH01253807A JP H01253807 A JPH01253807 A JP H01253807A JP 8076688 A JP8076688 A JP 8076688A JP 8076688 A JP8076688 A JP 8076688A JP H01253807 A JPH01253807 A JP H01253807A
- Authority
- JP
- Japan
- Prior art keywords
- core
- recording
- reproducing
- magnetic
- erasing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000000696 magnetic material Substances 0.000 claims abstract description 13
- 238000004544 sputter deposition Methods 0.000 claims abstract description 13
- 239000007769 metal material Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims 2
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000005292 diamagnetic effect Effects 0.000 claims 1
- 230000005298 paramagnetic effect Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 abstract description 4
- 238000012217 deletion Methods 0.000 abstract 3
- 230000037430 deletion Effects 0.000 abstract 3
- 238000000151 deposition Methods 0.000 abstract 1
- 239000012790 adhesive layer Substances 0.000 description 9
- 125000006850 spacer group Chemical group 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、記録再生用へラドコアと消去用へラドコアが
一体に構成された、磁気ディスク装置などに使用される
磁気ヘッドの製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method of manufacturing a magnetic head used in magnetic disk drives, etc., in which a recording/reproducing hard core and an erasing hard core are integrated. .
従来の技術
近年、フロッピーディスク型磁気記録再生装置（以下、
ＦＤＤと称す）は、パーソナルコンピュータなどのバッ
クアップ用に幅広く使用されており、その大記録容量化
がはかられている。大容量化に伴い、高トラツク密度・
線記録密度に対応した小型・高性能の磁気ヘッドが必要
となる。Conventional technology In recent years, floppy disk type magnetic recording and reproducing devices (hereinafter referred to as
FDD (FDD) is widely used for backing up personal computers, etc., and efforts are being made to increase its recording capacity. With the increase in capacity, high track density and
A small, high-performance magnetic head that supports linear recording density is required.
以下、図面を参照しながら上述した従来のＦＤＤに用い
られる磁気ヘッドの製造方法の一例について説明する。Hereinafter, an example of a method for manufacturing a magnetic head used in the conventional FDD described above will be described with reference to the drawings.
第５図、第６図、第７図は従来のＦＤＤ用磁気ヘッドの
製造方法および構造を示すものである。FIG. 5, FIG. 6, and FIG. 7 show the manufacturing method and structure of a conventional magnetic head for FDD.
第５図において、ｌは記録再生ヘッドコアで、トラック
幅を規制する切り溝にガラス７がモールドされ、記録再
生用巻線′ａ８が施されている。また、２は消去ヘッド
コアで、消去トラック幅を規制する切り溝にガラス９が
モールドされており、消去用巻線溝１０が施されている
。６は非！■性材（ガラスやセラミックなど）からなる
スペーサである。In FIG. 5, reference numeral 1 denotes a recording/reproducing head core, in which a glass 7 is molded into a groove for regulating the track width, and a recording/reproducing winding 'a8' is provided. Further, reference numeral 2 denotes an erasing head core, in which glass 9 is molded into a cut groove for regulating the erasing track width, and an erasing winding groove 10 is provided. 6 is non! ■It is a spacer made of a flexible material (glass, ceramic, etc.).
第５図のように、このスペーサ６が記録再生へラドコア
ｌと消去へラドコア２の間に樹脂などによって接着され
て、記録再生ヘッドおよび消去ヘッドが一体となったＦ
ＤＤ用ヘッドが形成される。As shown in FIG. 5, this spacer 6 is bonded with resin or the like between the recording/reproducing rad core 1 and the erasing rad core 2, so that the recording/reproducing head and the erasing head are integrated into the F.
A DD head is formed.
第６図は、上記のように形成された従来のＦＤＤ用ヘッ
ドの側面図である。第６図において、Ｇｌは記録再生用
の空隙長、Ｇ２は消去用の空隙長を示しており、Ｓ ｉ
Ｏ２などの空隙材からなる。また、Ｔｏは記録再生コ
アと消去コアの間のスペーサの厚さを示している。第７
図は、上記従来のＦＤＤ用ヘッドの摺動面の図である。FIG. 6 is a side view of a conventional FDD head formed as described above. In FIG. 6, Gl indicates the gap length for recording and reproduction, G2 indicates the gap length for erasing, and S i
It consists of a porous material such as O2. Further, To indicates the thickness of the spacer between the recording/reproducing core and the erasing core. 7th
The figure is a diagram of the sliding surface of the above-mentioned conventional FDD head.
第７図において、Ｗｌは記録再生トラック幅、Ｗ２は消
去トラック幅、そしてＬｏは、記録再生空隙と消去空隙
との間の距離を示す。In FIG. 7, Wl represents the recording/reproducing track width, W2 represents the erasing track width, and Lo represents the distance between the recording/reproducing gap and the erasing gap.
以上のような従来のＦＤＤ用ヘッドの製造方法には、例
えば、特開昭５９−２１３０１４号公報に示されている
方法がある。As a conventional method for manufacturing an FDD head as described above, there is, for example, a method disclosed in Japanese Patent Laid-Open No. 59-213014.
発明が解決しようとする課題
しかしながら上記のような製造方法では、記録再生ヘッ
ドコアと消去ヘッドコアの間のスペーサ６が非磁性材（
例えば、５ｒｏ２やセラミンクなど）の薄板であるため
に、その厚さＴｏが１００μｍくらいのものであった。Problems to be Solved by the Invention However, in the above manufacturing method, the spacer 6 between the recording/reproducing head core and the erasing head core is made of a non-magnetic material (
For example, the thickness To was about 100 μm since it was a thin plate of 5RO2, Ceramink, etc.).
また、従来のＦＤＤヘッドの記録再生用空隙と消去空隙
との間の距離Ｌ°は６００．ｃｒｍ＜らいであったのに
対し、今後、高密度化に対応したヘッドでは、この距離
Ｌ゛が小さくなる方向に進むのは必然的であり、このた
めに従来のような薄板のスペーサを樹脂などで接着する
という方法では、これ以上スペーサの厚さを薄くすると
いうことが困難であるという問題点を有していた。Further, the distance L° between the recording/reproducing gap and the erasing gap of the conventional FDD head is 600. crm < approximately, but in the future, it is inevitable that this distance L will become smaller in heads compatible with higher density, and for this reason, the conventional thin plate spacer is replaced with resin. The method of adhering the spacer with the like has a problem in that it is difficult to further reduce the thickness of the spacer.
本発明は上記問題点に迄み、高密度に伴う、記録再生用
および消去用空隙間距離の短縮化に対し、記録再生コア
と消去コアをより薄い厚さで精度よく接着し、小型化を
図った記録再生用ヘッドと消去用ヘッドが一体に構成さ
れた磁気ヘッドの製造方法を提供するものである。The present invention solves the above-mentioned problems by bonding the recording/reproducing core and the erasing core with a thinner thickness and with high precision in order to reduce the size of the recording/reproducing core and the erasing core in order to reduce the gap distance for recording/reproducing and erasing due to high density. The present invention provides a method of manufacturing a magnetic head in which a recording/reproducing head and an erasing head are integrated.
ｔＩＭＩを解決するための手段
上記課題を解決するために本発明の磁気ヘッドの製造方
法は、記録再生用へラドコアと消去用へラドコアの対向
面に、非磁性材をスパッタリング法などで接着層として
形成し、さらにその接着層には、金属材をもスパッタリ
ング法などで形成するという方法を備えたものである。Means for Solving tIMI In order to solve the above-mentioned problems, the method for manufacturing a magnetic head of the present invention includes forming a non-magnetic material as an adhesive layer by sputtering or the like on the opposing surfaces of the recording/reproducing Rad core and the erasing Rad core. In addition, a metal material is also formed on the adhesive layer by sputtering or the like.
作用
本発明は上記した方法によって、記録再生コアと消去コ
アの間の距離が、スパッタリングされた薄膜で形成され
るので、その膜厚を薄くすれば、記録再生および消去空
隙間距離の短縮化に応じて、小型で精度よく接着できる
。さらに、その接着層の間に金属薄膜を形成することに
より、記録再生コアと消去コアの間の磁束のクロストー
クが軽減される。Effect of the Invention According to the method described above, the distance between the recording/reproducing core and the erasing core is formed by a sputtered thin film, so that by reducing the thickness of the film, the recording/reproducing and erasing gap distances can be shortened. Depending on the needs, it is small and can be bonded with high precision. Furthermore, by forming a metal thin film between the adhesive layers, crosstalk of magnetic flux between the recording/reproducing core and the erasing core is reduced.
以上のような記録再生コアと消去コアが一体に構成され
た磁気ヘッドが形成できる。A magnetic head in which the recording/reproducing core and the erasing core as described above are integrated can be formed.
実施例
以下本発明の一実施例の磁気ヘッドの製造方法について
、図面を参照しながら説明する。EXAMPLE Hereinafter, a method of manufacturing a magnetic head according to an example of the present invention will be described with reference to the drawings.
第１図は、本発明の一実施例における磁気ヘッドの製造
方法の記録再生コアと消去コアを一体化する工程の図で
ある。第１図において、１は記録再生へラドコアで、記
録再生用トラック幅を規制する切り溝にガラス７がモー
ルドされ、記録再生用Ｓ線清８が施されている。また、
２は消去へラドコアで、消去用トラック幅を規制する切
り溝にガラス９がモールドされており、消去用巻線溝ｌ
Ｏが施されている。FIG. 1 is a diagram illustrating a process of integrating a recording/reproducing core and an erasing core in a method of manufacturing a magnetic head according to an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a recording/reproducing rad core, in which a glass 7 is molded into a cut groove regulating the recording/reproducing track width, and an S-line clearing 8 for recording/reproducing is applied. Also,
2 is an erasing rad core, in which a glass 9 is molded in the cut groove that regulates the erasing track width, and an erasing winding groove l.
O is applied.
以上のように構成された記録再生コア１と消去コア２を
接着する方法であるが、第１図のように、まず記録再生
コアの対向面に非磁性材３（例えば５Ｌ０２など）をス
パッタリング法で形成する。The method of bonding the recording/reproducing core 1 and the erasing core 2 configured as described above is as shown in FIG. to form.
次に、その非磁性材３の面に金属材４（例えばＣ「やＣ
ｕなど）をスパッタリング法で形成する。Next, a metal material 4 (for example, C" or C
u, etc.) is formed by sputtering method.
さらに、金属材４の面と消去コアの対向面に非磁性材５
（例えば５ｉｏ２など）をスパッタリング法で形成し
、これらを接着層とする。第２図が、その接着した図で
ある。第２図において、Ｇ、は記録再生用の空隙Ｌ ｃ
２は消去用の空隙長を示しており、Ｓ ｉＯ２などの空
隙材からなる。また、非磁性材層３．金属材層４．非磁
性材層５からなる接着層の厚さＴは、スパッタリングさ
れるそれぞれの膜厚で制御できる０例えば、本実施例で
は、この厚さＴは２０μｍ前後で、その中で金属材層は
１０μｍくらいとした。Furthermore, a non-magnetic material 5 is provided on the surface of the metal material 4 and the opposing surface of the erasing core.
(for example, 5io2, etc.) by a sputtering method, and these are used as an adhesive layer. Figure 2 is a diagram of the adhesive. In FIG. 2, G is the recording/reproducing air gap L c
2 indicates the void length for erasing, and is made of a void material such as SiO2. Moreover, the non-magnetic material layer 3. Metal material layer 4. The thickness T of the adhesive layer made of the non-magnetic material layer 5 can be controlled by the thickness of each film to be sputtered. For example, in this embodiment, the thickness T is around 20 μm, of which the metal material layer has a thickness of 10 μm. It was about.
また、第３図は本発明の一実施例のヘッド摺動面の図で
ある。第３図において、Ｗｌは記録再生トラック幅、Ｗ
２は消去トランク幅２そしてＬは記録再生空隙と消去空
隙との間の距離を示す０本実施例では、このしを２５０
μｍくらいとした。Further, FIG. 3 is a diagram of a head sliding surface according to an embodiment of the present invention. In FIG. 3, Wl is the recording/reproducing track width, W
2 is the erase trunk width 2 and L is the distance between the recording/reproducing gap and the erase gap. In this embodiment, this width is 250.
It was about μm.
次に、第４図に本発明の第２の実施例を示す。Next, FIG. 4 shows a second embodiment of the present invention.
前記の実施例が、あらかじめ記録再生用および消去用の
空隙を形成した後に、記録再生コアと消去コアを接着し
たのに対し、この第２の実施例では、第４図のように、
記録再生用コア半体１ｂと消去用コア半休２ｂを前記実
施例と同様な方法で接着し、その後に、トラック幅加工
と巻線溝加工を施しである記録再生用コア半体１ａおよ
び消去用コア半体２ａを空隙材を介してそれぞれ形成す
るという方法である。この第２の実施例によっても、第
２図、第３図と同様な磁気ヘッドが形成できる。While in the above embodiment, the recording/reproducing core and the erasing core were bonded after forming the recording/reproducing and erasing gaps in advance, in this second embodiment, as shown in FIG.
The recording/reproducing core half 1b and the erasing core half 2b are bonded together in the same manner as in the previous embodiment, and then the recording/reproducing core half 1a and the erasing core half which have been subjected to track width processing and winding groove processing are bonded together. This is a method in which the core halves 2a are formed using a void material. Also according to this second embodiment, a magnetic head similar to that shown in FIGS. 2 and 3 can be formed.
以上のようにこれら実施例によれば、記録再生コアと消
去コアの接合が、スパッタリング法で非磁性材を薄膜化
し、それによって接着を行なうために、より薄くより精
度のよい接合が実現できる。As described above, according to these embodiments, the recording/reproducing core and the erasing core are joined by thinning the non-magnetic material by sputtering and then adhering them, so that a thinner and more precise joining can be realized.
また、その接着層の中に導電性の金属材層をも形成する
ことにより、消去コア側からの記録再生コアへの磁束の
クロストークが軽減されヘッド特性も向上する。Further, by also forming a conductive metal layer in the adhesive layer, crosstalk of magnetic flux from the erasing core side to the recording/reproducing core is reduced, and head characteristics are also improved.
発明の効果
以上のように本発明は、記録再生用ヘッドコアと消去用
ヘッドコアの対向面に、非磁性材をスパッタリング法な
どによって接着層として形成することにより、記録再生
コアと消去コアの接合が、より薄くまた、より精度よく
行なえるのである。Effects of the Invention As described above, the present invention is capable of bonding the recording/reproducing core and the erasing core by forming a non-magnetic material as an adhesive layer on the facing surfaces of the recording/reproducing head core and the erasing head core by sputtering or the like. It can be made thinner and more precise.
また、その接着層の中に導電性の金属材をも形成するこ
とにより、記録再生コアと消去コアのクロストークが軽
減され、ヘッド特性も向上するのである。Furthermore, by forming a conductive metal material in the adhesive layer, crosstalk between the recording/reproducing core and the erasing core is reduced, and head characteristics are also improved.
以上のように、本発明の磁気ヘッドの製造方法は、記録
再生用へラドコアと消去用ヘッドコアとを薄い接着層で
接合でき、記録再生および消去用空隙長間が短くなった
場合にも対応できるので、その効果は大なるものがある
。As described above, the magnetic head manufacturing method of the present invention can bond the recording/reproducing head core and the erasing head core with a thin adhesive layer, and can cope with the case where the recording/reproducing and erasing gap lengths are shortened. Therefore, the effect is great.
【図面の簡単な説明】
第１図は本発明の一実施例における磁気ヘッドの製造方
法の工程図、第２図は本発明の一実施例における磁気ヘ
ッドの製造方法で作製したヘッドの側面図、第３図は第
２図をヘッドの摺動面から見た正面図、第４図は本発明
の第２の実施例における磁気−・フドの製造方法の工程
図、第５図は従来の磁気ヘッドの製造方法の工程図、第
６図は従来の磁気ヘッドの製造方法で作製したヘッドの
側面図、第７図は第６図をヘッドの摺動面から見た正面
図である。
３．５・・・・・・非磁性材層、４・・・・・・金属材
層′、１・・・・・・記録再生用コア、２・・・・・・
消去用コア、６・・・・・・スペーサ。
１’−−↓處合４−弔コア
第３図[BRIEF DESCRIPTION OF THE DRAWINGS] FIG. 1 is a process diagram of a method for manufacturing a magnetic head according to an embodiment of the present invention, and FIG. 2 is a side view of a head manufactured by a method for manufacturing a magnetic head according to an embodiment of the present invention. , FIG. 3 is a front view of FIG. 2 viewed from the sliding surface of the head, FIG. 4 is a process diagram of a method for manufacturing a magnetic hood according to the second embodiment of the present invention, and FIG. FIG. 6 is a side view of a head manufactured by a conventional magnetic head manufacturing method, and FIG. 7 is a front view of FIG. 6 as viewed from the sliding surface of the head. 3.5...Nonmagnetic material layer, 4...Metal material layer', 1...Recording/reproduction core, 2...
Erasing core, 6...Spacer. 1'--↓處合4-Mourning Core Figure 3
Claims (2)
の間隔をへだてられた磁気ヘッドであって、前記記録再
生用磁性コアと消去用磁性コアの対向面に、非磁性材を
蒸着法またはスパッタリング法によって形成し、次に、
金属材を蒸着法またはスパッタリング法によって形成し
、さらに、非磁性材を蒸着法またはスパッタリング法で
形成する薄膜工程で、前記記録再生用磁性コアと消去用
磁性コアとを接着する工程を備えたことを特徴とする磁
気ヘッドの製造方法。(1) A magnetic head in which a recording/reproducing gap and an erasing gap are separated by an arbitrary interval in the time axis direction, and a non-magnetic material is deposited on the opposing surfaces of the recording/reproducing magnetic core and the erasing magnetic core. method or sputtering method, and then,
A thin film process in which a metal material is formed by an evaporation method or a sputtering method, and a nonmagnetic material is further formed by an evaporation method or a sputtering method, including a step of adhering the magnetic core for recording and reproducing and the magnetic core for erasing. A method for manufacturing a magnetic head characterized by:
す元素のうち、単体もしくは２種類以上の合金からなる
ことを特徴とした特許請求の範囲第（１）項記載の磁気
ヘッドの製造方法。(2) Manufacture of a magnetic head according to claim (1), wherein the metal material is made of a single element or an alloy of two or more of diamagnetic, non-magnetic, or paramagnetic elements. Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8076688A JPH01253807A (en) | 1988-03-31 | 1988-03-31 | Manufacture of magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8076688A JPH01253807A (en) | 1988-03-31 | 1988-03-31 | Manufacture of magnetic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01253807A true JPH01253807A (en) | 1989-10-11 |
Family
ID=13727549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8076688A Pending JPH01253807A (en) | 1988-03-31 | 1988-03-31 | Manufacture of magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01253807A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61104310A (en) * | 1984-10-22 | 1986-05-22 | Canon Electronics Inc | Magnetic head |
-
1988
- 1988-03-31 JP JP8076688A patent/JPH01253807A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61104310A (en) * | 1984-10-22 | 1986-05-22 | Canon Electronics Inc | Magnetic head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01253807A (en) | Manufacture of magnetic head | |
| JP2707758B2 (en) | Method for manufacturing thin-film magnetic head | |
| JPS59203210A (en) | Magnetic core and its production | |
| KR940004485B1 (en) | Magnetic head and manufacturing method thereof | |
| JPS63279406A (en) | Magnetic head | |
| JP2646746B2 (en) | Magnetic head and method of manufacturing the same | |
| JPH0386905A (en) | Magnetic head and production of magnetic head | |
| JPH01173307A (en) | Manufacture of magnetic head | |
| JPH02162509A (en) | Magnetic head and production thereof | |
| JPH0580722B2 (en) | ||
| JPS59116918A (en) | Magnetic head and production of magnetic head | |
| JPS61250810A (en) | Magnetic head and its production | |
| JPH09231512A (en) | Manufacture of magnetic head | |
| JPH04241205A (en) | Magnetic head | |
| JPH0335410A (en) | Multitrack type thin-film magnetic head | |
| JPS61104411A (en) | Magnetic head | |
| JPH05342522A (en) | Magnetic head and its production | |
| JPH0432008A (en) | Magnetic head | |
| JPH0668106U (en) | Magnetic head | |
| JPS6139907A (en) | Magnetic head | |
| JPH07220221A (en) | Magnetic head | |
| JPH04289505A (en) | Magnetic head | |
| JPH01253808A (en) | Magnetic head | |
| JPS5919216A (en) | Magnetic head | |
| JPH04248104A (en) | Magnetic head |